The stress which acts on the plant root in the crag earth medium is very complexity and polytrope, so determining its reinforcement ability is extremely difficult.

植物根系在岩土介质中受力的复杂性、多变性，使得确定其加固能力十分困难。

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There are many methods for reinforcement of river embankment. The diameter of root piles is small, so the construction is quite difficult.

沿江岸坡加固的方法有多种，树根桩桩径小，施工难度较大。

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First, we take the surface soil of the side slope as root-soil complex material and take the root as 3d reinforcement material to increase the soil strength.

首先，将边坡上的表层土视为根-土复合材料，草根可视为带预应力的三维加筋材料，使土体强度提高。

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